fix(config): make sure there are no spaces in identifiers

[coveralls]

Pull Request Test Coverage Report for Build 1953857173

• 3 of 4 (75.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.004%) to 77.215%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
honeybee_vtk/config.py	3	4	75.0%
<!--	Total:	3	4	75.0%	-->

Totals
Change from base Build 1856893948:	-0.004%
Covered Lines:	1647
Relevant Lines:	2133

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💛 - Coveralls

[github-actions[bot]]

:tada: This PR is included in version 0.33.1 :tada:

The release is available on:

• GitHub release
• v0.33.1

Your semantic-release bot :package::rocket: